*SUPPORT*
IN: lug blicket fep OUT: YELLOW PURPLE
IN: zup kiki fep blicket fep OUT: PURPLE BLUE PURPLE
IN: lug kiki tufa blicket fep OUT: GREEN YELLOW PURPLE
IN: fep fep tufa OUT: PURPLE PURPLE GREEN
IN: tufa blicket fep OUT: GREEN PURPLE
IN: tufa kiki tufa OUT: GREEN GREEN
IN: fep OUT: PURPLE
IN: lug OUT: YELLOW
IN: lug lug OUT: YELLOW YELLOW
IN: zup OUT: BLUE
IN: fep kiki lug OUT: YELLOW PURPLE
IN: fep lug dax tufa blicket fep OUT: PURPLE YELLOW GREEN PURPLE
IN: fep dax zup tufa OUT: PURPLE BLUE GREEN
IN: tufa kiki fep OUT: PURPLE GREEN

*QUERY*
IN: tufa fep fep dax tufa tufa tufa fep OUT: GREEN PURPLE PURPLE GREEN GREEN GREEN PURPLE
IN: lug kiki zup kiki fep blicket zup OUT: PURPLE BLUE YELLOW BLUE
IN: tufa kiki tufa dax fep blicket fep OUT: GREEN GREEN PURPLE PURPLE
IN: tufa OUT: GREEN
IN: tufa dax zup blicket lug OUT: GREEN BLUE YELLOW
IN: zup kiki lug blicket lug OUT: YELLOW BLUE YELLOW
IN: tufa kiki lug blicket zup OUT: YELLOW GREEN BLUE
IN: zup zup blicket fep OUT: BLUE BLUE PURPLE
IN: zup blicket tufa blicket zup OUT: BLUE GREEN BLUE
IN: tufa lug blicket fep OUT: GREEN YELLOW PURPLE

*GRAMMAR*
zup -> BLUE 
 lug -> YELLOW 
 fep -> PURPLE 
 tufa -> GREEN 
 x1 dax x2 -> [x1] [x2] 
 x1 blicket u1 -> [x1] [u1] 
 u1 kiki x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 